Home / 221,933.82-306,270.06-119,959.07

Finding the Fourth Proportional to 221,933.82, 306,270.06 and 119,959.07

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Solution

The fourth proportional to 221,933.82, 306,270.06 and 119,959.07 is: 165,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,933.82 : 306,270.06 = 119,959.07 : x
  2. Step 2: Convert to fraction form
    221,933.82/306,270.06 = 119,959.07/x
  3. Step 3: Cross multiply
    221,933.82x = 306,270.06 × 119,959.07
  4. Step 4: Simplify right side
    221,933.82x = 36,739,871,566.44
  5. Step 5: Solve for x
    x = 36,739,871,566.44/221,933.82
  6. Step 6: Final answer
    x = 165,544.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.